As required by Senate Bill 1 of 2006, Truckee Donner PUD incentive levels will step down annually during the 10 year program. For program year 2015 the incentive level is $2.55 per watt AC, adjusted based on expected-performance. 2015 incentives are capped $7,650 for residential systems and $12,750 for commercial. Systems up to 1 MW may be installed, but the rebate will be applied to just the first 3 kW for residential and 5 kW for commercial systems.